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Black curved USB flash drive with keyring loop

SanDisk

SanDisk Ultra Curve CZ550 128GB USB 3.2 Gen 1 Flash Drive Black

SKU CH-BZ0J-QT2H3

A 128GB USB 3.2 Gen 1 flash drive with read speeds up to 100MB/s, a built-in keyring loop, and a RescuePRO Deluxe recovery software offer

  • USB SpecificationUSB 3.2 Gen 1
  • ColorBlack
  • Capacity128GB
  • Read Speed100 megabytes_per_second
  • Write Speed100
  • SecurityLightweight

Capacity 128GB

  • Fast transfers with 100 MB/s read speed
  • 128 GB capacity stores photos and videos
  • RescuePRO Deluxe software recovers deleted files
  • Built-in keyring loop keeps drive handy
  • Lightweight 3 g design fits in a pocket

Capacity and interface

The SanDisk Ultra Curve CZ550 is a 128GB USB 3.2 Gen 1 flash drive intended for everyday file transport and backup. Its read speed reaches 100MB/s so documents, photos and videos move quickly between devices. Buyers who need more storage than 128GB or who require sustained write performance for large media projects should consider higher-capacity or faster-tier drives.

Practical limits of USB 3.2 Gen 1

The drive uses the USB 3.2 Gen 1 interface which caps theoretical throughput at 5Gbps so real-world transfer rates will not exceed the quoted 100MB/s. Performance also depends on the host controller, cable quality and file mix; many small files will transfer more slowly than a single large file. No encryption or password protection is built in so sensitive data needs separate software security.

Build quality and keyring loop

The black plastic shell measures 4.5 L x 1.9 W x 0.77 H centimeters and weighs 3 grams making it light enough to stay on a keyring without noticeable bulk. A built-in keyring loop lets the drive attach to bags or keys reducing the chance of loss. The lightweight construction suits pocket carry but offers no ruggedisation against crushing or water exposure.

I korthet

  • Fast transfers with 100 MB/s read speed
  • 128 GB capacity stores photos and videos
  • RescuePRO Deluxe software recovers deleted files
  • Built-in keyring loop keeps drive handy
  • Lightweight 3 g design fits in a pocket

Specifikationer

BrandSanDisk
ModelSanDisk Ultra Curve USB 3.2 Flash Drive
Part NumberSDCZ550-128G-G46
USB SpecificationUSB 3.2 Gen 1
ColorBlack
Capacity128GB
Read Speed100 megabytes_per_second
Write Speed100
SecurityLightweight
FeaturesLightweight
Dimensions4.5 L x 1.9 W x 0.77 H centimeters
Weight3 grams

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Frågor om den här produkten

Which capacity should I pick if I need space for photos and videos?

This model is the 128GB version; the range extends to 512GB so choose a larger capacity if you expect to store more media.

What does the 100 MB/s read speed mean when I copy files to my laptop?

You can expect up to 100 MB/s when reading large files on a USB 3.2 Gen 1 port; actual throughput varies with file size and system load.

Will the USB 3.2 Gen 1 interface limit performance on a newer USB-C port?

The drive uses USB 3.2 Gen 1, which runs at 5 Gbps; it will work on faster ports but cannot exceed its own 100 MB/s rating.

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